GENEVA, Oct. 30 -- DONGGUAN CITY KAIHUA ELECTRONICS CO., LTD filed a patent application (CN2026/091669) for “ULTRA-THIN OPTICAL KEY SWITCH”. With publication no. WO/2026/223566, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: H01H 13/705
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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